TY - BOOK AU - Altrichter,Herbert AU - Posch,Peter AU - Somekh,Bridget TI - Teachers investigate their work: an introduction to the methods of action research T2 - Routledge series in investigating schooling SN - 0415093570 AV - LB1028.24 .A47 1993 PY - 1993/// CY - London ; New York PB - Routledge KW - Action research in education ER -